Haywood, J.M. and K.P. Shine, 1997. Multi-spectral calculations of the
radiative forcing of tropospheric sulphate and soot aerosols using a column
model. Quarterly Journal of the Royal Meteorological Society, 123, 1907-1930.

Ramanathan, V. and R.E. Dickinson, 1979: The role of stratospheric ozone
in the zonal and seasonal radiative energy balance of the Earth-troposphere
system. Journal of Atmospheric Science, 36, 1084-1104.